Home/CVE/An issue was discovered in Asterisk Open Source 13 before 13.18.1, 14 before 14.7.1, and 15 before 15.1.1 and Certified
CVE

CVE-2017-16672

An issue was discovered in Asterisk Open Source 13 before 13.18.1, 14 before 14.7.1, and 15 before 15.1.1 and Certified

An issue was discovered in Asterisk Open Source 13 before 13.18.1, 14 before 14.7.1, and 15 before 15.1.1 and Certified Asterisk 13.13 before 13.13-cert7. A memory leak occurs when an Asterisk pjsip session object is created and that call gets rejected before the session itself is fully established. When this happens the session object never gets destroyed.

Eventually Asterisk can run out of memory and crash.

MEDIUM · CVSS 5.9 EPSS 0.05269
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Weakness Classification

CWE-772Missing Release of Resource after Effective Lifetime
▤

Affected Products & Versions

4
digium asterisk>= 13.0.0 and < 13.18.1
digium asterisk>= 14.0.0 and < 14.7.1
digium asterisk>= 15.0.0 and < 15.1.1
digium certified asteriskall versions
▣

Scoring & Timeline

5.9
MEDIUM · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 Nov 2017 · 12:29 AM
CVSS VectorCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://downloads.digium.com/pub/security/AST-2017-011.htmlVendor Advisory
http://www.securityfocus.com/bid/101765Third Party AdvisoryVDB Entry
https://issues.asterisk.org/jira/browse/ASTERISK-27345Vendor Advisory
https://security.gentoo.org/glsa/201811-11
https://www.debian.org/security/2017/dsa-4076
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